AS6871 British Telecommunications Limited
General Info - AS6871
2,097,664
713.05 Octillion
IP Address Ranges
| Netblock | From IP | To IP | Number of IPs | |
|---|---|---|---|---|
| 31.108.0.0/14 | 31.108.0.0 | 31.111.255.255 | 262,144 | |
| 31.125.0.0/16 | 31.125.0.0 | 31.125.255.255 | 65,536 | |
| 31.185.32.0/19 | 31.185.32.0 | 31.185.63.255 | 8,192 | |
| 31.185.128.0/17 | 31.185.128.0 | 31.185.255.255 | 32,768 | |
| 37.152.192.0/18 | 37.152.192.0 | 37.152.255.255 | 16,384 | |
| 46.208.0.0/16 | 46.208.0.0 | 46.208.255.255 | 65,536 | |
| 51.6.0.0/15 | 51.6.0.0 | 51.7.255.255 | 131,072 | |
| 51.9.0.0/16 | 51.9.0.0 | 51.9.255.255 | 65,536 | |
| 80.189.0.0/16 | 80.189.0.0 | 80.189.255.255 | 65,536 | |
| 80.229.0.0/16 | 80.229.0.0 | 80.229.255.255 | 65,536 | |
| 81.174.128.0/17 | 81.174.128.0 | 81.174.255.255 | 32,768 | |
| 83.216.128.0/19 | 83.216.128.0 | 83.216.159.255 | 8,192 | |
| 84.51.128.0/18 | 84.51.128.0 | 84.51.191.255 | 16,384 | |
| 84.92.0.0/15 | 84.92.0.0 | 84.93.255.255 | 131,072 | |
| 87.112.0.0/16 | 87.112.0.0 | 87.112.255.255 | 65,536 | |
| 87.113.0.0/16 | 87.113.0.0 | 87.113.255.255 | 65,536 | |
| 87.114.0.0/16 | 87.114.0.0 | 87.114.255.255 | 65,536 | |
| 87.115.0.0/16 | 87.115.0.0 | 87.115.255.255 | 65,536 | |
| 91.125.0.0/16 | 91.125.0.0 | 91.125.255.255 | 65,536 | |
| 143.159.0.0/16 | 143.159.0.0 | 143.159.255.255 | 65,536 | |
| 146.66.32.0/19 | 146.66.32.0 | 146.66.63.255 | 8,192 | |
| 146.90.0.0/16 | 146.90.0.0 | 146.90.255.255 | 65,536 | |
| 146.198.0.0/16 | 146.198.0.0 | 146.198.255.255 | 65,536 | |
| 146.199.0.0/16 | 146.199.0.0 | 146.199.255.255 | 65,536 | |
| 146.200.0.0/16 | 146.200.0.0 | 146.200.255.255 | 65,536 | |
| 147.147.0.0/16 | 147.147.0.0 | 147.147.255.255 | 65,536 | |
| 150.143.0.0/16 | 150.143.0.0 | 150.143.255.255 | 65,536 | |
| 194.75.0.0/19 | 194.75.0.0 | 194.75.31.255 | 8,192 | |
| 194.75.80.0/20 | 194.75.80.0 | 194.75.95.255 | 4,096 | |
| 194.75.220.0/22 | 194.75.220.0 | 194.75.223.255 | 1,024 | |
| 195.99.8.0/21 | 195.99.8.0 | 195.99.15.255 | 2,048 | |
| 195.99.32.0/19 | 195.99.32.0 | 195.99.63.255 | 8,192 | |
| 195.99.88.0/21 | 195.99.88.0 | 195.99.95.255 | 2,048 | |
| 195.99.224.0/20 | 195.99.224.0 | 195.99.239.255 | 4,096 | |
| 195.166.128.0/19 | 195.166.128.0 | 195.166.159.255 | 8,192 | |
| 195.213.0.0/16 | 195.213.0.0 | 195.213.255.255 | 65,536 | |
| 209.93.0.0/16 | 209.93.0.0 | 209.93.255.255 | 65,536 | |
| 212.56.64.0/18 | 212.56.64.0 | 212.56.127.255 | 16,384 | |
| 212.140.0.0/19 | 212.140.0.0 | 212.140.31.255 | 8,192 | |
| 212.140.32.0/20 | 212.140.32.0 | 212.140.47.255 | 4,096 | |
| 212.140.48.0/21 | 212.140.48.0 | 212.140.55.255 | 2,048 | |
| 212.159.0.0/21 | 212.159.0.0 | 212.159.7.255 | 2,048 | |
| 212.159.8.0/23 | 212.159.8.0 | 212.159.9.255 | 512 | |
| 212.159.10.0/23 | 212.159.10.0 | 212.159.11.255 | 512 | |
| 212.159.12.0/22 | 212.159.12.0 | 212.159.15.255 | 1,024 | |
| 212.159.16.0/20 | 212.159.16.0 | 212.159.31.255 | 4,096 | |
| 212.159.32.0/19 | 212.159.32.0 | 212.159.63.255 | 8,192 | |
| 212.159.64.0/18 | 212.159.64.0 | 212.159.127.255 | 16,384 | |
| 213.31.0.0/16 | 213.31.0.0 | 213.31.255.255 | 65,536 | |
| 213.162.96.0/19 | 213.162.96.0 | 213.162.127.255 | 8,192 | |
| 217.32.30.0/23 | 217.32.30.0 | 217.32.31.255 | 512 | |
| 217.32.32.0/20 | 217.32.32.0 | 217.32.47.255 | 4,096 | |
| 217.32.112.0/22 | 217.32.112.0 | 217.32.115.255 | 1,024 | |
| 217.32.148.0/22 | 217.32.148.0 | 217.32.151.255 | 1,024 | |
| 217.32.152.0/21 | 217.32.152.0 | 217.32.159.255 | 2,048 | |
| 217.32.160.0/22 | 217.32.160.0 | 217.32.163.255 | 1,024 | |
| 217.32.176.0/22 | 217.32.176.0 | 217.32.179.255 | 1,024 | |
| 217.39.16.0/20 | 217.39.16.0 | 217.39.31.255 | 4,096 | |
| 217.39.112.0/20 | 217.39.112.0 | 217.39.127.255 | 4,096 | |
| 217.45.24.0/21 | 217.45.24.0 | 217.45.31.255 | 2,048 | |
| 217.45.96.0/20 | 217.45.96.0 | 217.45.111.255 | 4,096 | |
| 217.46.24.0/22 | 217.46.24.0 | 217.46.27.255 | 1,024 | |
| 217.46.128.0/20 | 217.46.128.0 | 217.46.143.255 | 4,096 |
| Netblock | From IP | To IP | Number of IPs | |
|---|---|---|---|---|
| 2a02:16c8::/35 | 2a02:16c8:: | 2a02:16c8:1fff:ffff:ffff:ffff:ffff:ffff | 9.90 Octillion | |
| 2a02:16c8:2000::/35 | 2a02:16c8:2000:: | 2a02:16c8:3fff:ffff:ffff:ffff:ffff:ffff | 9.90 Octillion | |
| 2a02:16c8:4000::/34 | 2a02:16c8:4000:: | 2a02:16c8:7fff:ffff:ffff:ffff:ffff:ffff | 19.81 Octillion | |
| 2a02:16c8:8000::/33 | 2a02:16c8:8000:: | 2a02:16c8:ffff:ffff:ffff:ffff:ffff:ffff | 39.61 Octillion | |
| 2a06:7200::/29 | 2a06:7200:: | 2a06:7207:ffff:ffff:ffff:ffff:ffff:ffff | 633.83 Octillion |
Downstreams
There are no downstreams for this ASN.
What is an Autonomous System (AS)?
An Autonomous System (AS) is a collection of connected networks that operate under a common administrative domain and share routing policies. Each AS is identified by a unique Autonomous System Number (ASN), which is used to exchange routing information with other ASs. AS can control how traffic flows through networks and then filter out unwanted traffic.
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